package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
* @Description: 分类管理
        * @Param: 
        * @return: 
        * @Author: Lei
        * @Date: 
 */

@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    
    /**
    * @Description: 新增分类
            * @Param: 
            * @return: 
            * @Author: Lei
            * @Date: 
     */
    
    @PostMapping
    public R<String> saveCategory(@RequestBody Category category){
        log.info("category:{}",category);

        categoryService.save(category);
        return R.success("新增分类成功");
    }


    /**
    * @Description: 分类分页查询
            * @Param: 
            * @return: 
            * @Author: Lei
            * @Date: 
     */
    
    @GetMapping("/page")
    public R<Page> pageCategory(int page, int pageSize){

        /**分页构造器*/
        Page<Category> pageinfo=new Page<>(page,pageSize);
        /**条件构造器*/
        LambdaQueryWrapper<Category> lqw=new LambdaQueryWrapper<>();
        /**添加排序条件，根据sort进行排序*/
        lqw.orderByAsc(Category::getSort);

        /**进行分页查询*/
        categoryService.page(pageinfo,lqw);

        return R.success(pageinfo);
    }


    /**
    * @Description: 根据ID删除分类
            * @Param: 
            * @return: 
            * @Author: Lei
            * @Date: 
     */
    
    @DeleteMapping
    public R<String> deleteCategory(Long ids){

        log.info("删除分类，id为:{}",ids);
        

//        categoryService.removeById(ids);
        categoryService.remove(ids);




        return R.success("分类信息删除成功");
    }


    /**
    * @Description: 根据id修改分类信息
            * @Param:
            * @return:
            * @Author: Lei
            * @Date:
     */

    @PutMapping
    public R<String> updateCategory(@RequestBody Category category){
        log.info("修改分类信息:{}",category);

        categoryService.updateById(category);



        return R.success("修改分类信息成功");
    }
    
    
    /**
    * @Description: 根据条件查询分类数据
            * @Param: 
            * @return: 
            * @Author: Lei
            * @Date: 
     */
    
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        /**条件构造器*/
        LambdaQueryWrapper<Category> lambdaQueryWrapper=new LambdaQueryWrapper<>();
        /**添加条件*/
        lambdaQueryWrapper.eq(category.getType()!=null,Category::getType,category.getType());
        /**添加排序条件*/
        lambdaQueryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(lambdaQueryWrapper);


        return R.success(list);
    }
}
